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Optimizations can have unexpectedly large effects when combined with caches
This post is about a non-obvious interaction between performance optimizations and LRU/time limited caching.
Justin Blank
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Software Engineering 3Programming Languages 2Systems & Performance 1
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How Many Type Parameters Can a Java Method Have?
and this made me wonder how many type parameters a method could have. As far as I can tell, the Java Language specification says nothing about this question. 1
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Needle: A DFA Based Regex Library That Compiles to JVM ByteCode
Many years ago, Kragen complained about the implementation and performance of Java regexes , and suggested that an implementation that emitted JVM bytecode could perform better. It's been a minute, but I'm happy to report that complaining on the Internet has served its purpose.